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I24 over I24 / SOUTHERN RAILWAY

Map

Coordinates:
+35.02500, -85.30333
35°01'30" N, 85°18'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:I24 over I24 / SOUTHERN RAILWAY
Structure number:33I00240029
Location:1 M E OF I124 JCT
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:122.1 ft. [37.2 m]
Total length:299.9 ft. [91.4 m]
Roadway width between curbs:141.1 ft. [43.0 m]
Deck width edge-to-edge:144.0 ft. [43.9 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1990
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:105,930 [as of 2015]
Truck traffic:14% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:50.5 tons [45.9 metric tons]
Inventory rating:30.7 tons [27.9 metric tons]
Sufficiency rating:72.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$9,784,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201672.9FairSatisfactoryGoodGood-105930
September 201473.9FairSatisfactoryGoodGood-109260
October 201274.9FairSatisfactoryGoodGood-116420
October 201074.9FairSatisfactoryGoodGood-104320
October 200873.9FairFairSatisfactoryGood-112170
October 200677.0FairFairSatisfactoryGood-116160
November 200477.0FairFairSatisfactoryGood-115510
July 200277.0FairFairSatisfactoryGood-113250
September 200077.0FairFairSatisfactoryGood-98700
August 199877.0FairFairSatisfactoryGood-105390
February 199778.0FairSatisfactoryGoodGood-101260
October 199478.0GoodGoodGoodVery Good-93900
October 199278.0GoodGoodGoodVery Good-67500
March 199161.7PoorSeriousSatisfactorySatisfactorySD67500